Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh cuong
thanh huong » thanh hung, thanh cong, anh huong
nhung cong » dung cong, thong cong, hang cong
cong san » cong tac
toan tap » toan ban
toan cao » toan ban
ho diep » hong diep, cho dieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho diep tinh - ((thanh tuong) OR (thanh huong)) va nhung cong san ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho diep tinh - ((thanh tuong) OR (thanh huong)) va nhung cong san ((toan tap) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho diep tinh - ((thanh tuong) OR (thanh huong)) va nhung cong san ((toan tap) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho diep tinh - ((thanh tuong) OR (thanh huong)) va nhung cong san ((toan tap) or (toan cao))*.